A DtReadFramebufferCallback instance is installed as the draw callback of the camera attached to the channel we wish to stream.

Inheritance diagram for makVrv::DtReadFramebufferCallback:

[legend]

Public Member Functions
virtual	~DtReadFramebufferCallback ()

virtual void	operator() (osg::RenderInfo &renderInfo) const

virtual void	process (const std::vector< std::vector< uint8_t >> &encodedPackets)

Protected Member Functions
	DtReadFramebufferCallback (DtDe &de, DtVideoStream &stream, DtOsgChannel *channel)

virtual bool	init ()

virtual void	unInit ()

virtual void	setupPixelBufferObjects (int numBuffers)

virtual bool	createProcessImageTask (DtDe &de, const DtVideoStream &stream)

virtual bool	setPixelFormatFromString (const DtUnicode &pxfString)

virtual bool	setReadBufferFromString (const DtUnicode &rbString)

virtual bool	setDataTypeFromString (const DtUnicode &dtString)

virtual void	readPixels (osg::RenderInfo &renderInfo) const

virtual void	readPixelsPbo (osg::RenderInfo &renderInfo) const

virtual DtVideoStreamPostProcessor *	findVideoStreamPostProcessor (void) const

virtual void	registerPbosWithHardwareEncoderIfNecessary (void)

Protected Attributes
DtVideoStream &	myStream

DtDe &	myDe

DtOsgChannel *	myChannel

double	myFrequency

bool	myUseReadPixels

int	myWidth

int	myHeight

int	myX

int	myY

GLenum	myPixelFormat

GLenum	myDataType

GLenum	myReadBuffer

std::vector< unsigned int >	myPbos

int	myMutableWriteIndex

int	myMutableReadIndex

osg::ref_ptr< osg::Image >	myImage

DtProcessImageTask *	myTask

bool	myIsInitialized

bool	myIsUsingHardware

bool	myReadFromTexture

DtEncoderIO *	myEncoderIO

DtReadFramebufferProcessData	myProcessData

DtPostProcessManager &	myPostProcessManager

int	myId = 0

DtEncoderIOCallback *	myEncoderCallback = nullptr

double	myTimeNextFrame = 0.0

Static Protected Attributes
static int	theRunningId

Private Member Functions
	DtReadFramebufferCallback ()=delete

	DtReadFramebufferCallback (const DtReadFramebufferCallback &rhs)=delete

DtReadFramebufferCallback &	operator= (const DtReadFramebufferCallback &orig)=delete

Friends
class	DtVideoStream

Constructor & Destructor Documentation

virtual makVrv::DtReadFramebufferCallback::~DtReadFramebufferCallback ( )

virtual

DTOR.

makVrv::DtReadFramebufferCallback::DtReadFramebufferCallback	(	DtDe &	de,
		DtVideoStream &	stream,
		DtOsgChannel *	channel
	)

protected

CTOR.

makVrv::DtReadFramebufferCallback::DtReadFramebufferCallback ( )

privatedelete

Default CTOR (unimplemented)

makVrv::DtReadFramebufferCallback::DtReadFramebufferCallback ( const DtReadFramebufferCallback & rhs )

privatedelete

Copy CTOR (unimplemented)

Member Function Documentation

virtual void makVrv::DtReadFramebufferCallback::operator() ( osg::RenderInfo & renderInfo ) const

virtual

Base class override. This is where the work happens.

virtual void makVrv::DtReadFramebufferCallback::process ( const std::vector< std::vector< uint8_t >> & encodedPackets )

virtual

called indirectly from the hw encoder

virtual bool makVrv::DtReadFramebufferCallback::init ( )

protectedvirtual

Initialize the DtReadFramebufferCallback.

virtual void makVrv::DtReadFramebufferCallback::unInit ( )

protectedvirtual

clean the DtReadFramebufferCallback

virtual void makVrv::DtReadFramebufferCallback::setupPixelBufferObjects ( int numBuffers )

protectedvirtual

Allocate and bind the pixel buffer objects.

virtual bool makVrv::DtReadFramebufferCallback::createProcessImageTask	(	DtDe &	de,
		const DtVideoStream &	stream
	)

protectedvirtual

Create and initialize a makVrv::DtProcessImageTask.

virtual bool makVrv::DtReadFramebufferCallback::setPixelFormatFromString ( const DtUnicode & pxfString )

protectedvirtual

set the pixel format GL enum from an initializer string

virtual bool makVrv::DtReadFramebufferCallback::setReadBufferFromString ( const DtUnicode & rbString )

protectedvirtual

set the read buffer GL enum from an initializer string

virtual bool makVrv::DtReadFramebufferCallback::setDataTypeFromString ( const DtUnicode & dtString )

protectedvirtual

set the data type GL enum from an initializer string

virtual void makVrv::DtReadFramebufferCallback::readPixels ( osg::RenderInfo & renderInfo ) const

protectedvirtual

read frame buffer using glReadPixels (synchronous)

virtual void makVrv::DtReadFramebufferCallback::readPixelsPbo ( osg::RenderInfo & renderInfo ) const

protectedvirtual

read frame buffer using PBOs (asynchronous)

virtual DtVideoStreamPostProcessor* makVrv::DtReadFramebufferCallback::findVideoStreamPostProcessor ( void ) const

protectedvirtual

helper

virtual void makVrv::DtReadFramebufferCallback::registerPbosWithHardwareEncoderIfNecessary ( void )

protectedvirtual

helper

DtReadFramebufferCallback& makVrv::DtReadFramebufferCallback::operator= ( const DtReadFramebufferCallback & orig )

privatedelete

Assignment operator (unimplemented)

Friends And Related Function Documentation

friend class DtVideoStream

friend

Only a DtVideoStream can construct a DtReadFramebufferCallback.

Member Data Documentation

DtVideoStream& makVrv::DtReadFramebufferCallback::myStream

protected

Current VideoStream.

DtDe& makVrv::DtReadFramebufferCallback::myDe

protected

Copy of the DtDe.

DtOsgChannel* makVrv::DtReadFramebufferCallback::myChannel

protected

Ptr to the Channel.

double makVrv::DtReadFramebufferCallback::myFrequency

protected

streaming frequency

bool makVrv::DtReadFramebufferCallback::myUseReadPixels

protected

if set to true use CPU encoding / false GPU encoding

int makVrv::DtReadFramebufferCallback::myWidth

protected

width of the image

int makVrv::DtReadFramebufferCallback::myHeight

protected

height of the image

int makVrv::DtReadFramebufferCallback::myX

protected

Position in X.

int makVrv::DtReadFramebufferCallback::myY

protected

Position in Y.

GLenum makVrv::DtReadFramebufferCallback::myPixelFormat

protected

Pixel format used.

GLenum makVrv::DtReadFramebufferCallback::myDataType

protected

Data type format.

GLenum makVrv::DtReadFramebufferCallback::myReadBuffer

protected

GL buffer used (back/front)

std::vector<unsigned int> makVrv::DtReadFramebufferCallback::myPbos

protected

Pixel Buffer Object.

int makVrv::DtReadFramebufferCallback::myMutableWriteIndex

mutableprotected

Write buffer index.

int makVrv::DtReadFramebufferCallback::myMutableReadIndex

mutableprotected

Read buffer index.

osg::ref_ptr<osg::Image> makVrv::DtReadFramebufferCallback::myImage

protected

Image pointer.

DtProcessImageTask* makVrv::DtReadFramebufferCallback::myTask

protected

Image processing task.

bool makVrv::DtReadFramebufferCallback::myIsInitialized

protected

is everything initialized

bool makVrv::DtReadFramebufferCallback::myIsUsingHardware

protected

Are using hardware encoding.

bool makVrv::DtReadFramebufferCallback::myReadFromTexture

protected

DtEncoderIO* makVrv::DtReadFramebufferCallback::myEncoderIO

protected

hardware encoding IO object

DtReadFramebufferProcessData makVrv::DtReadFramebufferCallback::myProcessData

protected

hardware frame buffer data

DtPostProcessManager& makVrv::DtReadFramebufferCallback::myPostProcessManager

protected

de-reference

int makVrv::DtReadFramebufferCallback::myId = 0

protected

int makVrv::DtReadFramebufferCallback::theRunningId

staticprotected

DtEncoderIOCallback* makVrv::DtReadFramebufferCallback::myEncoderCallback = nullptr

protected

double makVrv::DtReadFramebufferCallback::myTimeNextFrame = 0.0

protected

The documentation for this class was generated from the following file:

/data/exports/nrhent7-1/nightly/docs/vrForces.vrf5-1-branch/include/vrvVideoStream/DtReadFramebufferCallback.h

Public Member Functions

Protected Member Functions

Protected Attributes

Static Protected Attributes

Private Member Functions

Friends

Constructor & Destructor Documentation

Member Function Documentation

Friends And Related Function Documentation

Member Data Documentation